freebsd-dev/libexec/rtld-elf/tests/ld_preload_fds.c
Alex Richardson e34c713b0e rtld/tests: Avoid function name conflict with libc opendir()
This prevents these tests from being compiled with ASAN since the asan
interceptors also define opendir() but matching the libc function.

Reviewed By:	oshogbo, kib, markj
Differential Revision: https://reviews.freebsd.org/D31038
2021-07-06 10:51:57 +01:00

109 lines
2.7 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
* Copyright 2021 Mariusz Zaborski <oshogbo@FreeBSD.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <atf-c.h>
#include <fcntl.h>
#include <stdio.h>
#include "common.h"
int binaryfd;
int libraryfd;
static void
setup(const atf_tc_t *tc)
{
int testdir;
testdir = opendir_fd(atf_tc_get_config_var(tc, "srcdir"));
ATF_REQUIRE(testdir >= 0);
binaryfd = openat(testdir, TARGET_ELF_NAME, O_RDONLY);
ATF_REQUIRE(binaryfd >= 0);
libraryfd = openat(testdir, TARGET_LIBRARY, O_RDONLY);
ATF_REQUIRE(libraryfd >= 0);
close(testdir);
}
ATF_TC_WITHOUT_HEAD(missing_library);
ATF_TC_BODY(missing_library, tc)
{
setup(tc);
expect_missing_library(binaryfd, NULL);
}
ATF_TC_WITHOUT_HEAD(bad_librarys);
ATF_TC_BODY(bad_librarys, tc)
{
char *senv;
ATF_REQUIRE(asprintf(&senv, "LD_PRELOAD_FDS=::") > 0);
setup(tc);
expect_missing_library(binaryfd, senv);
}
ATF_TC_WITHOUT_HEAD(single_library);
ATF_TC_BODY(single_library, tc)
{
char *senv;
setup(tc);
ATF_REQUIRE(
asprintf(&senv, "LD_PRELOAD_FDS=%d", libraryfd) > 0);
expect_success(binaryfd, senv);
}
ATF_TC_WITHOUT_HEAD(two_librarys);
ATF_TC_BODY(two_librarys, tc)
{
char *senv;
setup(tc);
ATF_REQUIRE(
asprintf(&senv, "LD_PRELOAD_FDS=%d:%d", libraryfd, libraryfd) > 0);
expect_success(binaryfd, senv);
}
/* Register test cases with ATF. */
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, missing_library);
ATF_TP_ADD_TC(tp, bad_librarys);
ATF_TP_ADD_TC(tp, single_library);
ATF_TP_ADD_TC(tp, two_librarys);
return atf_no_error();
}